Corrigendum to 'Repeated GnRH agonist doses for luteal support: a proof of concept' Reproductive BioMedicine Online 39 (2019) 770-776. Issue 2 (February 2020) - Wiser, Amir; Klement, Anat Hershko; Shavit, Tal; Berkovitz, Arie; Koren, Roni Rahav; Gonen, Ofer; Amichay, Keren; Shulman, Adrian